diff --git a/packages/theme-chalk/src/scrollbar.scss b/packages/theme-chalk/src/scrollbar.scss
index 56e5f2910..424cfc73e 100644
--- a/packages/theme-chalk/src/scrollbar.scss
+++ b/packages/theme-chalk/src/scrollbar.scss
@@ -15,7 +15,7 @@
   }
 
   @include e(wrap) {
-    overflow: scroll;
+    overflow: auto;
     height: 100%;
 
     @include m(hidden-default) {